How similar are these two sentences, on a scale from 0-5 (0 is "not similar" and 5 is "very similar")?

Dubbed Project Mad Hatter, the Linux-based desktop is being promoted by Sun as a more secure and less expensive alternative to Windows.
Designed to compete with Microsoft Corp., Project Mad Hatter is being positioned by Sun as a cheaper, secure alternative desktop operating system to Microsoft's various desktop offerings.
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